A randomized, double-blind, prospective study comparing the efficacy of continuous versus pulsed radiofrequency in the treatment of lumbar facet syndrome.

Study Objectives: To compare the efficacy of continuous radiofrequency (CRF) thermocoagulation with pulsed radiofrequency (PRF) in the treatment of lumbar facet syndrome.

Design: Prospective, randomized, double-blinded study.

Setting: Ambulatory pain clinic at a level-I trauma center and teaching institution.